Performance and Loss Analyses of High-Efficiency Chemical Bath Deposition (CBD)-ZnS/Cu(In_<1-x>Ga_x)Se_2 Thin-Film Solar Cells : Semiconductors
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概要
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Chemically deposited ZnS has been investigated as a buffer layer alternative to cadmium sulfide (CdS) in polycrystalline thin-film Cu(In_<1-x>Ga_x)Se_2 (CIGS) solar cells. Cells with efficiency of up to 18.1% based on chemical bath deposition (CBD)-ZnS/CIGS heterostructures have been fabricated. This paper presents the performance and loss analyses of these cells based on the current-voltage (J-V) and spectral response curves, as well as comparisons with high efficiency CBD-CdS/CIGS and crystalline silicon counterparts. The CBD-ZnS/CIGS devices have effectively reached the efficiency of the current record CBD-CdS/CIGS cell. The effects of the superior current of the CBD-ZnS/CIGS cell and the superior junction quality of the CBD-CdS/CIGS cell on overall performance nearly cancel each other.
- 社団法人応用物理学会の論文
- 2002-06-15
著者
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Nakada Tokio
Department Of Electrical Engineering And Electronics Aoyama Gakuin University
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Nakada Tokio
Department Of Dermatology Showa University School Of Medicine
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PUDOV Alexei
Department of Physics, Colorado State University
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SITES James
Department of Physics, Colorado State University
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Sites James
Department Of Physics Colorado State University
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Pudov Alexei
Department Of Physics Colorado State University
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